to take precautions to prevent something bad from happening
tomar precauciones para prevenir que algo malo ocurra (tomar precauciones para prevenir que algo malo ocurra)
"We must guard against potential fraud in online transactions."
"Debemos protegernos contra el fraude potencial en las transacciones en línea." (Debemos protegernos contra el fraude potencial en las transacciones en línea.)
to make a device or account secure from threats
to support or defend someone as part of a group
to provide support or resources for new projects
to bring someone or something with you
to write something important so you don’t forget it
to regain belief in oneself after failure